Individuals with blond or fair hair are more languid, listless, gentle & more influenced by people & surroundings.
People with very dark hair, although often less energetic in work, will have more passion in temper, be more irritable & energetic in affection. It is extreme in red hairs.
Red hair is coarser in quality than black, brown or blond. Now being the coarser & larger, they are more excitable & quicker to rouse to action than either.
White hairs are the result of high pressure, sudden shock or grief or getting old. Hairs rarely resume its colour as before when it gets whiteness.